1 files changed, 219 insertions, 0 deletions
diff --git a/library/Icingadb/Web/Control/ViewModeSwitcher.php b/library/Icingadb/Web/Control/ViewModeSwitcher.php
new file mode 100644
index 0000000..8068aee
--- /dev/null
+++ b/library/Icingadb/Web/Control/ViewModeSwitcher.php
@@ -0,0 +1,219 @@
+<?php
+
+/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Web\Control;
+
+use ipl\Html\Attributes;
+use ipl\Html\Form;
+use ipl\Html\FormElement\HiddenElement;
+use ipl\Html\FormElement\InputElement;
+use ipl\Html\HtmlElement;
+use ipl\Web\Common\FormUid;
+use ipl\Web\Widget\IcingaIcon;
+
+class ViewModeSwitcher extends Form
+{
+    use FormUid;
+
+    protected $defaultAttributes = [
+        'class' => 'view-mode-switcher',
+        'name'  => 'view-mode-switcher'
+    ];
+
+    /** @var string Default view mode */
+    const DEFAULT_VIEW_MODE = 'common';
+
+    /** @var string Default view mode param */
+    const DEFAULT_VIEW_MODE_PARAM = 'view';
+
+    /** @var array View mode-icon pairs */
+    public static $viewModes = [
+        'minimal'  => 'minimal',
+        'common'   => 'default',
+        'detailed' => 'detailed',
+        'tabular'  => 'tabular'
+    ];
+
+    /** @var string */
+    protected $defaultViewMode;
+
+    /** @var string */
+    protected $method = 'POST';
+
+    /** @var callable */
+    protected $protector;
+
+    /** @var string */
+    protected $viewModeParam = self::DEFAULT_VIEW_MODE_PARAM;
+
+    /**
+     * Get the default mode
+     *
+     * @return string
+     */
+    public function getDefaultViewMode(): string
+    {
+        return $this->defaultViewMode ?: static::DEFAULT_VIEW_MODE;
+    }
+
+    /**
+     * Set the default view mode
+     *
+     * @param string $defaultViewMode
+     *
+     * @return $this
+     */
+    public function setDefaultViewMode(string $defaultViewMode): self
+    {
+        $this->defaultViewMode = $defaultViewMode;
+
+        return $this;
+    }
+
+    /**
+     * Get the view mode URL parameter
+     *
+     * @return string
+     */
+    public function getViewModeParam(): string
+    {
+        return $this->viewModeParam;
+    }
+
+    /**
+     * Set the view mode URL parameter
+     *
+     * @param string $viewModeParam
+     *
+     * @return $this
+     */
+    public function setViewModeParam(string $viewModeParam): self
+    {
+        $this->viewModeParam = $viewModeParam;
+
+        return $this;
+    }
+
+    /**
+     * Get the view mode
+     *
+     * @return string
+     */
+    public function getViewMode(): string
+    {
+        $viewMode = $this->getPopulatedValue($this->getViewModeParam(), $this->getDefaultViewMode());
+
+        if (array_key_exists($viewMode, static::$viewModes)) {
+            return $viewMode;
+        }
+
+        return $this->getDefaultViewMode();
+    }
+
+    /**
+     * Set the view mode
+     *
+     * @param string $name
+     *
+     * @return $this
+     */
+    public function setViewMode(string $name)
+    {
+        $this->populate([$this->getViewModeParam() => $name]);
+
+        return $this;
+    }
+
+    /**
+     * Set callback to protect ids with
+     *
+     * @param   callable $protector
+     *
+     * @return  $this
+     */
+    public function setIdProtector(callable $protector): self
+    {
+        $this->protector = $protector;
+
+        return $this;
+    }
+
+    private function protectId($id)
+    {
+        if (is_callable($this->protector)) {
+            return call_user_func($this->protector, $id);
+        }
+
+        return $id;
+    }
+
+    protected function assemble()
+    {
+        $viewModeParam = $this->getViewModeParam();
+
+        $this->addElement($this->createUidElement());
+        $this->addElement(new HiddenElement($viewModeParam));
+
+        foreach (static::$viewModes as $viewMode => $icon) {
+            if ($viewMode === 'tabular') {
+                continue;
+            }
+
+            $protectedId = $this->protectId('view-mode-switcher-' . $icon);
+            $input = new InputElement($viewModeParam, [
+                'class' => 'autosubmit',
+                'id'    => $protectedId,
+                'name'  => $viewModeParam,
+                'type'  => 'radio',
+                'value' => $viewMode
+            ]);
+            $input->getAttributes()->registerAttributeCallback('checked', function () use ($viewMode) {
+                return $viewMode === $this->getViewMode();
+            });
+
+            $label = new HtmlElement(
+                'label',
+                Attributes::create([
+                    'for' => $protectedId
+                ]),
+                new IcingaIcon($icon)
+            );
+            $label->getAttributes()->registerAttributeCallback('title', function () use ($viewMode) {
+
+                return $this->getTitle($viewMode);
+            });
+
+            $this->addHtml($input, $label);
+        }
+    }
+
+    /**
+     * Return the title for the view mode when it is active and inactive
+     *
+     * @param string $viewMode
+     *
+     * @return string Title for the view mode when it is active and inactive
+     */
+    protected function getTitle(string $viewMode): string
+    {
+        $active = null;
+        $inactive = null;
+        switch ($viewMode) {
+            case 'minimal':
+                $active = t('Minimal view active');
+                $inactive = t('Switch to minimal view');
+                break;
+            case 'common':
+                $active = t('Common view active');
+                $inactive = t('Switch to common view');
+                break;
+            case 'detailed':
+                $active = t('Detailed view active');
+                $inactive = t('Switch to detailed view');
+                break;
+        }
+
+        return $viewMode === $this->getViewMode() ? $active : $inactive;
+    }
+}